Home / 21,393.01-29,530.47-19,150.75

Finding the Fourth Proportional to 21,393.01, 29,530.47 and 19,150.75

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Solution

The fourth proportional to 21,393.01, 29,530.47 and 19,150.75 is: 26,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.01 : 29,530.47 = 19,150.75 : x
  2. Step 2: Convert to fraction form
    21,393.01/29,530.47 = 19,150.75/x
  3. Step 3: Cross multiply
    21,393.01x = 29,530.47 × 19,150.75
  4. Step 4: Simplify right side
    21,393.01x = 565,530,648.35
  5. Step 5: Solve for x
    x = 565,530,648.35/21,393.01
  6. Step 6: Final answer
    x = 26,435.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.